Attachment for sewing machines



A. H. DE v05. ATTACHMENT FOR SEWING MACHTNES.

APPLICATION FILED DEC-2.1918.

Patented. Sept. 26, 1922,.

ZSHEETS-SHEET T.

2/ WITNESSES: I INVENTOR QW- mw. L li'fl f ip bi,

TORNEY A. H. DE VOE.

ATTACHMENT FOR SEWING MACHiNES.

APPUCATION FILED DEC.2. 1918.

Patented'fept. 2a, 1922 2 SHEETS--SHEE T 2.

(TGRNEY ii; is detained by a latching lever whose op Passes seer. 2c, 1922.

stares" ea ALBERT E. DE VOE, OF WESTFIELD, NEW JEESEY, ASSIGNOE 1'0 THE $INGER MAN'EF v FACTURING COMPANY, A CORPORATION OF NEW JERSEY. i

n rra cmnnn'r non snwme MACHINES.

Application filed Iiccember 2, 1915. Serial 1%. 264,897.

T 0 allwhom it may cancer '2: I

Be it known that l, ALBERT H. DE Von, a citizen of the. United States, residing at Westfield, in the county of Union and State of New Jersey, have invented certain new and' useful Improvements in Attachments for'Sewing Machines, of which the following is a specification, reference being had therein to the accompanyin drawings.

This invention relates to sewin '-machines and particularly to attachments t erefor. b which an operator is enabled to stitch para lel with the edge of the work;

In applying facings to shirts or nether garments, it has been found desirable to make a plurality of seams in successive operations at different distances from the edge of the work and thereafter to clear the work-sup-' port for the subsequent stitching of the lower edge of the facin which in nether garments is usually irregu ar and curved along one ed e.

he present invention aims to provide an attachment in which the gauge proper may,

be quickly shifted to different positions rela-' tive to the line of seam-formation and to the cloth-plate or in other words may be quickly shifted to different positions effective and ineffective in directing the edge of work relative to the needle.

The construction comprises an attachment which may be in the form of an edge gauge having a blade portion, against which the edge of the work is adapted to travel, mounted on a carrier which is slida-bly sup ported beneath the cloth-plate "for movement into either of two positions predetermined by stops or latches. .The carrier may. be swung a little about its support to disengage it from one of the stops or latches to allow it" to be moved into a position predetermined by the other stop; The edge gauge is 'shiftably supported on the carrier and is yieldingly sustained in an elevated position by a sprlng socketed in the carrier permitting it to be depressed to an out of the way position,

referably flush'with. the cloth-plate, where erative end is accessibly presented at the front of the machine for manipulation.

The invention is illustrated in the accompanyinn drawings in which Fig. 1 is a plan view oi the cloth-plate of a machine with a portion thereof brogen away to expose the construction. Fig. 2 is a front elevation of my device. F igs..3 and 4 are opposite end elevations of thesame, the latter being partly In section. Fig. 5 is a bottom. plan view of the device partly in section. Fig. fl is a'horizontal cross-section on the plane of line 6-6, Fig 2, and Figs. 7, 8 and'9-representsuccessive stages in the stitching of a facing to a shirt.

The attachment is applicable to anyt pe of lock or chain stitch machine but isi ustrated as applied to a single needle chaim stitch machine of the Singer 110 class in winch the looper L moves in a more or less vertical plane transverse the line of scamformation. In the drawin s 1 indicates the cloth-plate which is secure by screws 1' to the frame of the machine and is recessed to receive the throat-plate 2 havin an clou gated needle-hole 2' for thence 1e 2 and slot 2 for the feed-dog 3. The cloth-plate 1s suitably cut away to provide openings for access to the lower stitch-donning instrumhnv tal-ities and these openings are closed by the cover slides 42 and 5,the latter of which is angularly notched as indicated at 6 to "receive the fabric en'gaging'element or gauge proper indicated by"the numeral 7. The gauge is suitably securedto a pin or post 8, Fig. i, slidabl mountedin an aperture 9 of a carrier 10; n a'socket 11 parallel with the aperture is a coiled spring 12 which yieldinglyurges the auge upwardly and this spring normally olds the gauge in a osition above the workssupport in the plane in which theedge of the work travels and at an elevation determined by the head or em largementli on the lower end of the pin i below the carrier. l.

To the under side of the carrier 10 a lever 14 is pivoted 'on a StlldySCI'fiW 15, its rear end being ada ted to "enter a notchg'ldin the as i The carrier 10 is of the irregular form shown in the drawings and is provided with an aperturedboss or sleeve 22 which is slidably mounted on a rod 23 projecting laterally froma bracket 24 adjustably supported by the screw and slot connection indicated at 2525'- in the groove 26 in the base of the machine. Therod 23 extends transversely of the line of seam formation and is substantially parallel to the worksupport beneath which. it is arranged. A second rod 27 is adjustably supported by the bracket 24 in parallelism with the first mentionedirod 23. About the rod 27 a spring 28 is coiled with one end 29 inserted into a hole in the upper of two spaced jaws 30 extending from one side of the ap'ertured boss or sleeve 22 and loosely embracing the rod 27 so as to permit'a limited rotation of the carrier on the rod 23. The coiled spring 28 urges the carrier laterally of the line of seam formation and also in a clockwise direction about the pin as viewed in end elevation Fig. 3. Projecting from a depending ear 31 and in parallelism with the rods 23 and 27 is an abutment pin 32 havinga collar 33 spaced close to the side wall of the car 31. One side of the collar is bevelcd off as indicated to facilitate the passage to a position to the left (Figs. 1 and 2) of the collar of a detaining member or latch in the form of a plate 35 which is secured by a screw 36 in a groove in an arm 38 depending from the carrier 10, the plate having a beveled face cooperating with that of the collar 33. The abutment pin 82 and detent 35 limit rotation of the carrier .10 about the rod 23 in a clockwise direction and the upper one of the jaws 30 limits rotation of the carrier 10 about the rod 28 in a counter-clockwise direction. Obviously, however, the lower of the two jaws 30 could be made to limit the clock wise rotation of the carrier in order to take the wear off of the plate lie in the arm 38. A collar 40 is adjustably secured by the screw 41 to the rod 23 at a suitable distance from the face of thc bracket 2+ and determines one position of the carrier. the other position being determined by the cooperating collar and detent 33 and 3:").

The lever 14 serves not o'nly as a latching mechanism to hold the gauge 7 depressed but also as an operating handle'to shift the gauge into either ofits two. positions. Pressure on the front end of the lever l-L in thedirection of the arrow (1-, Fig. 1, will first release the gauge 7 to the action of its spring 12 whereupon it will rise above the cloth-plate and continued pressure in the same direction will carry the rear cnd'of the lever it against the left end of the lug in which the socket 18 is formed and thereafter the carrier will be bodily shifted to the left until the detent 35 rises over and behind the collar 33 as shown in Fig. 6 into a position holding the edge guideior gauge close'to the needle.

The operation of the device is extremely simple. Supposing that the gauge occupies an out of the way position substantially flush with the work-support, the operator may move the gauge to an elevated position above the work-support and at a short distance from the needle by merely striking the accessible front end of the lever 14 a light sharp blow in the direction of the arrow a. Figs. 1 and 2. To shift the gauge a greater distance from the needle in order to increase the depth of seam, the operator merely strikes the accessible end of the lever l t a light sharp blow in the direction of the arrow 1), Figs; 3 and 4. In order to clear the cloth-plate for general stitching all the operator has to do is press the pro trading gauge down flush with the clothplate, or nearly so, when the lever ll'functioning as a latch will detain it.

While the attachment is especially designed to facilitate the application of facings to shirts and nether garments the successive stages in the formation of which are indicated diagrammatically 'in Figs. 7 to 9. inclusive, it will be understood that the invention is not limited to such use or manufacture. It will be obvious that, instead of a single collar 33 the pin 32 may be provided with a plurality of similar collars. And while the spring 28-coiled about, the rod 27 is preferred as a means tending to rotate the carrier 10 in a clockwise direction ion about the rod 23. other suitable means may V be employed to automatically urge the carrier in a clockwise direction such as the force of gravity.

It is to be distinctly understood, however, that the invention is not limited to an edge-guide being obviously available for moving or shifting a binder, hemmeror other attachment and that the invention contemplates such as being within its scope, the aforesaid attachments being broadly gauges. inasmuch as they direct work to the needle a predetermined distance in from the edge.

Ilaving thus set forth the nature of the invention, what I claim herein is 1. An edge guiding device for sewing machines having a gauge for directing the edge of fabric. and said gauge being shiftable laterally of the line of seam formation and- 1L A l a gauge facilitating the making of seams parallel with the edge of the work, said gauge being shiitable laterally of the line of seam-foimation and downwardly into the work support and upwardly intoth'e plane in which thewor i travels whereby it may be rendered ineffective or. effective and in the JEOIIHQZ'JCES'B non-obstructive.

3. in a sewing machine having a worksupport, a-mem'cer movably supported to one side of the plane of the work support, a primary stop against which the member is automatically urged to hold the same in a predetermined plane, secondarystops for holding the member at different distances from the line of seam formation, andagauge sustained by the member in proximity to the work-support to enable the operator to guide the edge of the work being stitched a uniform distance from the needle.

1-. An attachment for sewing machines lr ring a work-siipport comprising a'carrier, means urging the carrier laterally of the line of seam formation, an abutment, said carrier and abutment being urged together but being relatively movable in a direction-transverse the work-support, stops for holding/ the carrier in predetermined positions, means for disengaging the carrier from one of the stops, and an edge vgauge on said carrier normally sustained above the work-support in the path of the edge of the worlr.

o: An attachment for sewing machines having work-support comprising an edge gauge, means supporting the gauge above the work-support but permitting displacement thereoi to an out of the way position below the level of the Work, means for holding the gauge in a plurality 011? positions at different diatances laterally of the line of scam formation, and a common member through which 'rier in one position against the previously mentioned means are governed.

6. An attachment for sewing machines having a work-support comprising an edge gauge, a carrier on which said gauge is shiftably supported, a spring for shifting said edge gauge relative to said carrier, a latclv ing mechanism for holding the gauge against the action of its spring, and latching mechanism for holding the carrier in a position with the gauge close to the line of scam formation, said carrier being movable laterally to locate the gauge farther from the line of scam formation.

7. In a sewing machine having a worksupport, an attachment comprising a carrier fulcrum-ed beneath the work-support, a spring urging said carrier in the direction of theanis of its fulcrum, an arm on said carrier having a free end, a fixed member against which the arm is urged also by said spring, a stop on the listed member confining the carmovement by said spring in the direction or" the axis of ease the fulcrum, a second stop limiting the carriers movement in the direction of the axis of its fulcrum after it has been released from the first stop, a gauge on said carrier y ieldingly urged by a spring to an elevated position above the work-support, said gauge being depremible from a position above the work-support to an out of-the way position, and latching mechanism for holding the gauge depressed including a spring operated lever having a free end accessibly presented at the front of the machine, said lever also constituting means for shifting the gauge 'to itsvarious positions.

8. An attachment for sewing machines having a work-support comprising a member 'movably supported below the work-support, means tending to hold the member in apredetermined plane, means for holding the member in diderent positions in said predetermined plane, means tending to move the member to a given one of said different positions, means for releasing t'he holding means, and a fabric guiding element sustained by the member.

'9. An attachment for sewing machines having a work-support comprising a member movably supported below the work-support, means tendin to hold the member in a predetermined p ane,- means for holding the member in different positionsin said predetermined plane, and a fabric guiding element sustained by the member, said element being shiftable transverse the plane in which the member is normally held.

10. For sewing machines having a worksupport, an edge-gauge, a carrier located below the work-support, means yieldingly supporting the gauge on the carrier, means supported by the carrier for detaining the gauge depressed, means normally urging the carrier in a direction transverse the line of seam-formation, and means for hold ing the carrier in any of a plurality of predetermined positions to space the gauge of. seamiormation 11. An 'edgaguiding device for sewing machines having a work-support comprising a fabric engaging element sustained from beneath the work-support, a sprin urgin the element to an edge-guiding position a ove the work-support, and a latching mechanism automatically efi'ective to detain the element in a non-efi'ective edgeguiding position when depressed thereinto.

12. An'edge-guide for sewing machines with a work-support comprising a fabric engaging element, a carrier, springs tending to hold said carrier in a predetermined position in a iven plane and said element in an elevated position protruding above the .work suppo'rt, and latching mechanism for-holding said carrier in a second posi{ tion in the given plane and said element depressed in a non-effective edge-guiding position.

13. An edge-guide for sewing machines with a Work-support comprising a fabric engaging element, a carrier, springs, tending to hold said carrier in a predetermined osition in a given plane and said element in an elevated position protruding ahove the work-support, latching mechanism for holding said carrier in a second position in the given plane and said element depressed in a non-effective edge-guiding position, said latching. mechanism including a lever located below the work-support and having a manipulatin; free end terminating substantially at the front edge of the \vorksupport.

14. A guiding device for sewing machines assessehaving a gauge to direct the work, means for holding the gauge in a plurality of positions in the plane of the work, means permitting displaeement of the gauge below the plane of the Work, and a common memher through which the previously mentioned means are governed.

15. In a sewing machine, the combination with a \vorksupport and stitch-forming mechanism including a needle, of a Wort-- guide adjustable laterally of the needle to various operative positions above the Worksupport, said work-guide being shiftable to an inoperative position below the Work.

In testimony whereof, I have signed my name to this specification.

ALBERT H. DE VQE. 

